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The sample average age is 69.8 and the sample standard deviation is 9.2, based on a sample of 200 individuals in a retirement community. Your friend claims that "the sample average is approximately 9.2 away from the population mean." Is your friend correct? Why or why not?

Respuesta :

Answer:

Yes he is correct

Step-by-step explanation:

Standard deviation is a measure the dispersion of data set relative to it is mean and its calculated as the square root of variance. It measures the variation between each data sample point relative to the mean.